KOTHARI, C.R Research Methodology : Methods and Techiniques / C.R. Kothari - 2nd Revised Edition - New Delhi . : New Age International . ; 2004. - xvi, 401 p . : ill . ; 26 cm. includes references and index ISBN: 9788122415223 Subjects--Topical Terms: Research methodology Dewey Class. No.: 001.42 300.723